X923Padding public class X923Padding : IBlockCipherPadding A padder that adds X9.23 padding to a block - if a SecureRandom is passed in random padding is assumed, otherwise padding with zeros is used. Documentation Code public string PaddingName { get; } public X923Padding() public int AddPadding(byte[] input, int inOff) public int AddPadding(Span<byte> block, int position) public void Init(SecureRandom random) public int PadCount(byte[] input) public int PadCount(ReadOnlySpan<byte> block)